Using Plasma with it, things seem to work if I add:
diff --git a/krunner/krunner.desktop b/krunner/krunner.desktop
index b68323ff9..aeed607fc 100644
--- a/krunner/krunner.desktop
+++ b/krunner/krunner.desktop
@@ -51,6 +51,7 @@ X-DBUS-ServiceName=org.kde.krunner
X-KDE-StartupNotify=false
X-KDE-Shortcuts=Alt+Space,Alt+F2,Search
Actions=RunClipboard
+X-KDE-Wayland-Interfaces=org_kde_plasma_window_management
[Desktop Action RunClipboard]
Exec=krunner -c
diff --git a/shell/org.kde.plasmashell.desktop b/shell/org.kde.plasmashell.desktop
index 6c90794e0..d4086b04b 100644
--- a/shell/org.kde.plasmashell.desktop
+++ b/shell/org.kde.plasmashell.desktop
@@ -56,3 +56,5 @@ OnlyShowIn=KDE;
X-KDE-autostart-phase=0
Icon=plasma
NoDisplay=true
+
+X-KDE-Wayland-Interfaces=org_kde_plasma_window_management